a tech demo created by the game ' s programmer , yu ##ji nak ##a . the game was well received by critics , who praised its visuals , music , and speed of gameplay . the game was also commercially successful , establishing the genesis as a key player in the 16 @ - @ bit era and allowing it to compete with nintendo and their super nes console . it has been ported a number of times , and inspired several clones , a successful franchise , and adaptations by other media . in an attempt to steal the six chaos emerald ##s and harness their power , the game ' s antagonist , dr . ivo robot ##nik , has trapped the animal inhabitants of
a tech demo created by the game's programmer, yuji naka. the game was well received by critics, who praised its visuals, music, and speed of gameplay. the game was also commercially successful, establishing the genesis as a key player in the 16 @ - @ bit era and allowing it to compete with nintendo and their super nes console. it has been ported a number of times, and inspired several clones, a successful franchise, and adaptations by other media. in an attempt to steal the six chaos emeralds and harness their power, the game's antagonist, dr. ivo robotnik, has trapped the animal inhabitants of